COLUMBIA, MO. - The 2010 Big 12 Outdoor Track and Field Championships opened on Friday at Audrey J. Walton Stadium with competition in the decathlon and heptathlon and finals for the 10,000-meter, hammer throw and men’s javelin. Nebraska leads on the men’s side with 25 team points, and Iowa State tops the women’s rankings with 32 points.

Things got started with the 10,000 meter run as collegiate-leader Lisa Koll claimed her fourth conference crown in the 10,000 meters (2007-10). The senior posted a time of 33:51.74 en route to breaking a Walton track record. Koll became the first Big 12 female athlete to win four titles in a single event.

In a close race on the men’s side, Oklahoma State’s John Kosgei took first place with a time of 29:24.21, crossing the line less than a second ahead of Colorado’s Kenyon Neuman. His time was also a new track record.

Oklahoma’s KP Singh won the hammer throw with a mark of 215-6 (65.69), a new school record. In the final event of the day, Kansas’ Alena Krechyk notched a 206-7 (62.96) for first place in the women’s hammer throw.

In the men’s decathlon, Nick Adcock (Missouri) leads the way with 4,018 points after five events. Chantae McMilliam (Nebraska) tops the women’s list after four events with 3,388 points.

Day two of the Big 12 Track and Field Championships resumes Saturday, May 15 with combined events starting at 10 a.m. CT, while field and running events begin at 1 p.m. CT. All-session passes are $15, single-day passes are $7 for adults and $5 for students and children.